proxy interfaces for lazy loading

[mir.git] / source / mir / core / model / Image.java

diff --git a/source/mir/core/model/Image.java b/source/mir/core/model/Image.java
index 65c132e..d7ddbb6 100755 (executable)
--- a/source/mir/core/model/Image.java
+++ b/source/mir/core/model/Image.java
@@ -1,11 +1,58 @@
+/*
+ * Image.java
+ * 
+ * Copyright (C) 2001, 2002, 2003 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with  any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two.  You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries.  If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
 package mir.core.model;
 
 import java.io.Serializable;
+import java.sql.Connection;
+import java.sql.SQLException;
 
-import org.apache.commons.lang.builder.ToStringBuilder;
+import net.sf.hibernate.CallbackException;
+import net.sf.hibernate.HibernateException;
+import net.sf.hibernate.Lifecycle;
+import net.sf.hibernate.Session;
 
-/** @author Hibernate CodeGenerator */
-public class Image extends UploadedMedia implements Serializable {
+import org.apache.commons.lang.builder.ToStringBuilder;
+import org.postgresql.PGConnection;
+import org.postgresql.largeobject.LargeObject;
+import org.postgresql.largeobject.LargeObjectManager;
+
+/**
+ * 
+ * Image
+ * @author idefix
+ * @version $Id: Image.java,v 1.4 2003/08/19 00:41:54 idfx Exp $
+ */
+public class Image extends UploadedMedia 
+       implements Serializable, Lifecycle, IImage {
 
     /** nullable persistent field */
     private int imageData;
@@ -138,4 +185,51 @@ public class Image extends UploadedMedia implements Serializable {
             .toString();
     }
 
+               /* (non-Javadoc)
+                * @see net.sf.hibernate.Lifecycle#onSave(net.sf.hibernate.Session)
+                */
+               public boolean onSave(Session arg0) throws CallbackException {
+                       // TODO Auto-generated method stub
+                       return false;
+               }
+
+               /* (non-Javadoc)
+                * @see net.sf.hibernate.Lifecycle#onUpdate(net.sf.hibernate.Session)
+                */
+               public boolean onUpdate(Session arg0) throws CallbackException {
+                       // TODO Auto-generated method stub
+                       return false;
+               }
+
+               /* (non-Javadoc)
+                * @see net.sf.hibernate.Lifecycle#onDelete(net.sf.hibernate.Session)
+                */
+               public boolean onDelete(Session arg0) throws CallbackException {
+                       // TODO Auto-generated method stub
+                       return false;
+               }
+
+               /* (non-Javadoc)
+                * @see net.sf.hibernate.Lifecycle#onLoad(net.sf.hibernate.Session, java.io.Serializable)
+                */
+               public void onLoad(Session session, Serializable arg1) {
+                       // TODO Auto-generated method stub
+                       System.out.println("hello: ");
+                       try {
+                               Connection connection = session.connection();
+                               if(connection instanceof PGConnection){
+                                       PGConnection pgcon = (PGConnection)connection;
+                                       LargeObjectManager largeObjectManager = pgcon.getLargeObjectAPI();
+                                       LargeObject image = largeObjectManager.open(getImageData());
+                                       System.out.println("juppii" + image.size()  + " " + this.getMediaType().getId());
+                               }
+                       } catch (HibernateException e) {
+                               // TODO Auto-generated catch block
+                               e.printStackTrace();
+                       } catch (SQLException e) {
+                               // TODO Auto-generated catch block
+                               e.printStackTrace();
+                       }
+               }
+
 }